Create Table on Cloud in Azure

Introduction

Today, in this article let's play around with one of the interesting and most useful concepts in Azure.

Question: What is creating a table in a Cloud?

In simple terms "It enables creation of a table in a Cloud in Azure client storage".

Step 1: Open Visual Studio and create an "ASP.NET Web Application", as in:

Step 2: The compete code of StudentEntity.cs looks like this:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using Microsoft.WindowsAzure.StorageClient;

namespace CreateCloudTableApp

{

public class StudentEntity : TableServiceEntity

{

public int Id { get; set;

}

public string FirstName

{

get; set;

}

public string LastName

{

get; set;

}

public int Age

{

get; set;

}

Step 3: The complete code of webform1.aspx looks like this:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="CreateCloudTableApp._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

<table>

<tr>

<asp:Label ID="Label1" runat="server" Text="Create Table on Cloud Operations - Azure"

Font-Bold="true" Font-Size="Large" Font-Names="Verdana" ForeColor="Maroon"></asp:Label>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label3" runat="server" Text="Please Enter Table Name" Font-Size="Large"

Font-Names="Verdana" Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox1" runat="server" Width="120px"></asp:TextBox>

</td>

</tr>

<tr>

<div>

<table>

<tr>

<td>

<asp:Label ID="Label7" runat="server" Text="Please Enter Id" Font-Size="Large" Font-Names="Verdana"

Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox5" runat="server" Width="120px"></asp:TextBox>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label2" runat="server" Text="Please Enter First Name" Font-Size="Large"

Font-Names="Verdana" Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox2" runat="server" Width="120px"></asp:TextBox>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label4" runat="server" Text="Please Enter Last Name" Font-Size="Large"

Font-Names="Verdana" Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox3" runat="server" Width="120px"></asp:TextBox>

</td>

</tr>

<tr>

<td>

<asp:Label ID="Label6" runat="server" Text="Please Enter Age" Font-Size="Large" Font-Names="Verdana"

Font-Italic="true"></asp:Label>

</td>

<td>

<asp:TextBox ID="TextBox4" runat="server" Width="120px"></asp:TextBox>

</td>

</tr>

</table>

</div>

</center>

</td>

</tr>

<tr>

<asp:Button ID="Button1" runat="server" Text="Create Table on Cloud" Font-Names="Verdana"

Width="213px" BackColor="Orange" Font-Bold="True" OnClick="Button1_Click" />

</td>

</tr>

<tr>

<asp:Label ID="Label5" runat="server" Font-Bold="true" Font-Names="Verdana" ForeColor="Maroon"></asp:Label>

</td>

</tr>

</table>

</div>

</center>

</form>

</body>

</html>

Step 4: the Complete code of webform2.aspx.cs looks like this:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using Microsoft.WindowsAzure.StorageClient;

using Microsoft.WindowsAzure;

using System.Configuration;

namespace CreateCloudTableApp

{

public partial class _Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

TextBox1.Focus();

}

protected void Button1_Click(object sender, EventArgs e)

{

if (string.IsNullOrEmpty(TextBox1.Text) || string.IsNullOrEmpty(TextBox2.Text) || string.IsNullOrEmpty(TextBox3.Text) || string.IsNullOrEmpty(TextBox4.Text) || string.IsNullOrEmpty(TextBox5.Text))

{

Label5.Text = "";

Label5.ForeColor = System.Drawing.Color.Red;

}

{

CloudStorageAccount obj_Account = CloudStorageAccount.Parse(ConfigurationManager.AppSettings["ClientConnectionString"]);

CreateTable(obj_Account);

Label5.Text = "Table created successfully"; Label5.ForeColor = System.Drawing.Color.Green;

}

protected void CreateTable(CloudStorageAccount storage)

{

CloudTableClient cloud_Table = new CloudTableClient(storage.TableEndpoint.ToString(), storage.Credentials);

cloud_Table.CreateTableIfNotExist(TextBox1.Text);

TableServiceContext table_Context = cloud_Table.GetDataServiceContext();

StudentEntity obj_Entity = new StudentEntity();

obj_Entity.FirstName = TextBox2.Text;

obj_Entity.LastName = TextBox3.Text;

obj_Entity.Age = int.Parse(TextBox4.Text);

obj_Entity.Id = int.Parse(TextBox5.Text);

obj_Entity.PartitionKey = obj_Entity.FirstName; obj_Entity.RowKey = Guid.NewGuid().ToString();

table_Context.AddObject(TextBox1.Text, obj_Entity);

table_Context.SaveChanges();

}

Step 5: The output of the application looks like this:

I hope this article is useful for you.